A powerful 7.8 magnitude earthquake has struck near the east coast of Russia's Kamchatka region, the US Geological Survey said. There were no immediate reports of damage.

The quake's epicenter was 127 km east of Petropavlovsk-Kamchatsky and it struck at 6:58 am Friday local time, according to the USGS. It had a depth of 19.5 km.